Why am I experiencing delay in periods after a miscarriage?

I was 2 months pregnant and I had a miscarriage by September 24th 2013 (*Reason said by the doctor was "Early Pregnancy" and no fetal pole is detected in Ultra scan & I had a bleeding and everything got cleared off without the need of D&C). So doctor adviced me to have a gap of about 6 months before planning for the next baby. But after that I had only one menstrual cycle i.e on November 7th and then I dint have it for this month till now (But I am sure i will not be pregnant now). So kindly advice me what could be the reason for this and what tests should I take to understand the problem.

Brief Answer:
get CBC, Thyroid and USG abd for PCOS
Detailed Answer:
Hi XXXXXXX
Welcome to healthcare Magic!
Your clinician has rightly advised you to have rest and give time to your body recover.
Abortion may lead to irregular periods for 2-3 ensuing months but pregnancy still can happen.
If you had intercourse during this period then you should get serum beta hCG levels to rule out the pregnancy. It will also help decide if you had fully clear abortion.
Anemia or hypothyroidism can lead to absent menses or irregularities of menses so get a complete blood count and thyroid profile t rule out these possibilities.
I hope the advise would be informative and useful for you.
Take Care!

Follow-up: Why am I experiencing delay in periods after a miscarriage? 18 hours later

Doctor, Thank you so much for your reply and advice. I will have the blood and thyroid profile check up and will get back to you with the report to know the health issues further. But I have a doubt which is pricking my mind always. Before we planned for pregnancy, earlier this year I got conceived twice and to avoid that I took Mifepristone tablets twice (Both oral & vaginal). So I just want to know if this will have any side effects affecting my menstual cycle and getting pregnant as well.
Please advice
Thanks in advance
Regards
XXXX

Answered by Dr. Monika Choudhary 25 minutes later

answer Id 293457; conversation id 298690

Brief Answer:
will not affect futre pregnancy
Detailed Answer:
Hello XXXXXXX
Welcome back.
Excessive MT pills like mifepristone should be avoided.
However there is no recorded evidence that it will affect your future pregnancy or menstrual cycle.
So do not worry & get your investigations done.
Take care